Service-tank



(No Model.) Y

R. CLARKE.

SERVICE TANK. l No. 391,402. Patented Oct. Z3, 1888.

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Darren STATES Panni* ROBERT CLARKE, OF GBAVESEND, NEV YORK.

SERVICE-TANK.

SPECIFICATION forming part of Letters Patent No. 391,402, dated October 23, 1888.

Application led June 10, 1887. Serial l\l'o.240,$l13. (Nomodel.)

To @ZZ whom it may concern/.-

Be it known that l, ROBERT CLARKE, a citizen of the United States, residing at Gravesend, Kings county, New York, have invented certain new and useful Improvements in Service-Tanks, of which the following` is a specifieation.

This invention relates to that class of watertanks termed supply-tauks,77 employed for maintaining a supply of water which is discharged from time to time in quantities sufiicient to flush the basin of a water-closet; and my invention consists, generally, in a tank, of no greater area than those heretofore employed, adapted to impart a fore as well as an after Hush to the basin.

In the drawings, Figure 1 is a sectional elevation of a tank of the character just described provided with my improvement, the parts being in their normal positions, and Fig. 2 is a similar view, the parts being shown in the position they will assume on pulling down upon the operating-lever.

Referring to said drawings, it is to be understood that the improved su pplytank consists, essentially, of two tanks, A B, the one A adapted to maintain a supply of water for 'flushing purposes, and the other, B, for holding back temporarily a certain quantity of water that has been allowed to pass from the rstnamed tank, and which afterward is permitted to Iiow therefrom.

As herein shown, and as preferably arranged, the tank A is mounted within the other tank, B, and supported therein in any suitable manner, and thus provide the supplytank A proper with an exterior casing, as in Letters Patent No. 354,536, granted to me December 2l, 1886.

The tank A is provided with the ordinary snpply-pipe, 10, that extends down therein to within a short distance of its bottom, and having the usual valve, 12, the stem whereof is connected to a float, 13, which automatically opens and closes said valve in the well-known manner.

The bottom of the tank A, which may be inclined, as shown, is provided with an outlet,

14, and a seat for a weighted valve, 15, and the tank B has a flush-pipe, D, providing within said tank a seat for a valve, 16, and having a vent or overflow pipe, 7 communicating with said flush-pipe to prevent the tank from overowing, while the upper portion of the tank A is provided with openings 20, which allow the water to overflow into the tank B. These valves 15 16 are each connected by chains or rods 9 11 to a pivoted lever, C, one on each side of its pivot,and are so arranged that when one valve is seated the other will be held from off its seat, as is clearly shown. This lever C is mounted in proper position over the tanks, and is provided, as usual, with a pull-down chain, 17.

The valve 16, instead of being weighted so that it will become seated on the end of the Hush-pipe D, immediately upon operating the lever C to raise the other valve, 15, is provided with a hollow shell, 8, that is perforated with small openings, so that its tendency is to float upon the incoming water until its shell be comes filled with water. Thus becoming weighted, it will at once seat itself.

As thus fardeseribed, the operation ofthe tank is as follows: Thetank Ahaving been filled with water in the usual manner, upon pulling upon the chain 17 so as to vibrate the lever C, the valve 15 will thereby be raised from the position shown in Fig. 1 to that shown in Fig. 2, and thus permit the water in the tank A to fiow into the tank B. rlChe valve 16, which may have become seated upon rst vibrating the lever G, will be floated by the incoming water, so as to permit a portion of the water to iiow past it into the flush-pipe D until its shell 8 becomes filled with water, when itwill immediately seatitself and thus shut ott' the further passage of water into said pipe, and thus allow the water to accumulate in the tank B. Upon releasing the chain 17, and thus permitting the valve 15 to seat itself and close the opening 14 of the tank A, the valve 16 will be raised from off its seat, and thus the water held by the tank B will be allowed to escape by the flush-pipe D until it is emptied, when the water lling the easing 8 will gradually escape therefrom, and thus permit its valve to operate as before when the lever C is again operated. From which it will be seen that when said tank is employed with the basin of roo a water-closet the'chain 17, being suitably conn nected with its seat, that pressure upon said seat will raise the valve 15 and permit a small flow of water, the foreflow to pass by the flush-pipe to the basin, which flow will stop as soon as the valve 16 becomes seated, and that upon relieving the closet-seat of pressure the valve 15 will be seated and the one 16 be raised, thereby permitting the water in the tank, the afteriiow, to pass to the basin.

The float 13 is provided with a central opening through which the connecting rod or chain 9 of the valve 15 passes, and said chain carries a plate, 5, located thereon in such position that when the lever C is vibrated and the valve 15 raised,so as to allow the water to pass from the tank A, the plate 5 will be raised in contact with the float 13, and thus prevent it falling with the water; but when the said valve 15 is lowered to seat itself again the plate will also be lowered, thus permitting the float to l'all and open its valve 12 to allow water to flow into the tank A, until the float is again raised by the water sufficiently to close its valve. Thus in any case no more water than the tank A will hold is allowed to pass to the basin; but in the construction shown the size of the two tanks is such that when the valve 16 is seated the water will flow from tank A until it is at the same level in both tanks. rlhus when the valve 16 is raised and the valve 15 seated the water held in the tank A will cause the infiowing water by pipe 10 to rise therein noiselessly.

I claimu 1. ln aservice tank, the combination of two tanks, one having an opening into the other, and the latter having a discharge-opening, valves arranged to close said openings, a lever, C, connections between said lever and valves, the connection with the valve closing the dischargeopening being flexible, whereby when one valve is lifted the other is free to fall to its seat, and a slowly-lling shell carried by the valve of the discharge-opening, whereby the same after valve 15 is opened, andbecoming free to close on its seat,is floated for a short time, substantially as and for the purpose set forth.

2. The combination of a tank, B, a smaller tank, A, situated in the upper part thereof, having an opening into the tank B, a valve, 15, closing said opening, a discharge-opening from tank B, a valve, 16, in said tank closing the discharge-opcning and provided with a slowly-filling fioat, and connections between said valves and an operating-lever, whereby when one is open the other is closed, said parts being arranged substantially as described,

whereby after valve 15 is closed and water admitted to tank B the valve 16 is raised from its seat for a short time by the float connected therewith, substantially as described.

8. The combinat-ion, with a tank lhaving a supply-pipe, a float provided with a central opening controlling said pipe, and a dischargeopening from said tank, of a valve for said opening, a lifting rod or chain passing freely through the central opening in the float and connected with said valve, and a plate secured to and carried by said rod or chain and situated below the float with which it is adapted to engage and lift the same when moved to open the valve, substantially as set forth.

In testimony whereof Ihave signed my name to this specification in thepresenee ot' two sul)- scribing witnesses.

ROBERT CLARKE.

Witnesses:

CHAILIN lWIooREHnAD, JOHN MCMULLAN. 

